Worksheet: Fun and Creative Projects - 1 | DIY Science Fun: Cool School Projects - Class 6 PDF Download

Fill in the Blanks

Q2: The main power source for the battery-less flashlight project is the ______________.

Q3: LEDs are polarity-sensitive, meaning they only emit light in one direction of ______________ flow.

Q4: The mechanical flashlight project provides a valuable learning experience about ______________.

Q5: Safety glasses should be worn to protect your ______________ while working on science projects.

Q6: ______________ is used to connect jumper wires to an LED's terminals.

Q7: To create a handle for the flashlight, a simple ______________ is used.

Q8: The flashlight's reflector can be repurposed from an old ______________.

Q9: Hot melting glue is used to attach the LED to the ______________.

Q10: The battery-less flashlight eliminates the need for ______________.

Multiple Choice Questions

Q2: What is the primary power source for the battery-less flashlight project?
(a) Batteries
(b) Solar panels
(c) Gear motor
(d) LEDs

Q3: Why is it important to connect jumper wires to the terminals of the LED in the flashlight project?
(a) To reduce the brightness of the LED
(b) To make the LED waterproof
(c) To connect it to a computer
(d) To enable soldering to other components

Q4: What is the purpose of the metal rod in the flashlight project?
(a) To power the LED
(b) To attach the gear motor
(c) To create a handle for the flashlight
(d) To hold the batteries

Q5: Why is it important to wear safety glasses while working on science projects?
(a) To enhance vision
(b) To look stylish
(c) To protect eyes from potential hazards
(d) To prevent soldering accidents

True and False

Q2: True or False: The main power source for the battery-less flashlight project is a solar panel.

Q3: True or False: LEDs emit light in all directions of current flow.

Q4: True or False: Soldering iron is not used in the battery-less flashlight project.

Q5: True or False: Safety glasses are primarily worn for cosmetic reasons during science projects.

Short Answer Questions

Q2: What is the main power source in the battery-less flashlight project, and how does it work?

Q3: Why is it necessary to connect jumper wires to the LED's terminals in the flashlight project?

Q4: How does the metal rod play a role in the battery-less flashlight project?

Q5: Why is it important to wear safety glasses while working on science projects like the battery-less flashlight?

You can access the solutions to this worksheet here.